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RU2005141433A - METHOD AND DEVICE FOR DATA TRANSFER IN COMMUNICATION SYSTEM - Google Patents

METHOD AND DEVICE FOR DATA TRANSFER IN COMMUNICATION SYSTEM Download PDF

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Publication number
RU2005141433A
RU2005141433A RU2005141433/09A RU2005141433A RU2005141433A RU 2005141433 A RU2005141433 A RU 2005141433A RU 2005141433/09 A RU2005141433/09 A RU 2005141433/09A RU 2005141433 A RU2005141433 A RU 2005141433A RU 2005141433 A RU2005141433 A RU 2005141433A
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RU
Russia
Prior art keywords
channel
data
primary
secondary pilot
pilot channel
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RU2005141433/09A
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Russian (ru)
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RU2364028C2 (en
Inventor
Стейн А. ЛАНДБИ (US)
Стейн А. ЛАНДБИ
Джозеф П. ОДЕНВАЛЬДЕР (US)
Джозеф П. Оденвальдер
Original Assignee
Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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Publication of RU2005141433A publication Critical patent/RU2005141433A/en
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Publication of RU2364028C2 publication Critical patent/RU2364028C2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)

Abstract

A method and apparatus provides for efficient data rate control and power control processes by transmitting a primary and a secondary pilot channel associated with a data channel in the reverse (uplink) link. The primary and secondary pilot channels are used for decoding the data. A ratio of power levels of the primary and secondary pilot channels is based on at least one of the data rate and payload size of the data channel. It is determined whether the transmission of the primary pilot channel and the secondary pilot channel associated with the data channel is necessary based on comparing one of the data rate and the payload size of the channel in the reverse link to a predetermined value. The power level of the primary pilot channel is maintained independent of at least one of data rate and payload size of the data channel. The power level of the secondary pilot channel may be adjusted based on at least one of data rate and payload size of the data channel.

Claims (21)

1. Способ передачи данных, содержащий этапы, на которых передают первичный пилот-канал, связанный с каналом данных, передают вторичный пилот-канал, связанный с каналом данных, передают данные по каналу данных.1. A data transmission method, comprising the steps of transmitting a primary pilot channel associated with a data channel, transmitting a secondary pilot channel associated with a data channel, transmitting data over the data channel. 2. Способ по п.1, который также содержит этапы, на которых принимают первичный, вторичный пилот-каналы и каналы данных, декодируют данные на принятом канале данных на основании информации канала, определенной из принятых первичного и вторичного пилот-каналов.2. The method according to claim 1, which also comprises the steps of receiving the primary, secondary pilot channels and data channels, decode the data on the received data channel based on the channel information determined from the received primary and secondary pilot channels. 3. Способ по п.1, который также содержит этапы, на которых определяют, по меньшей мере, одно из скорости передачи данных для передаваемых данных и размера полезной нагрузки для передаваемых данных на канале данных, определяют отношение уровней мощности передачи первичного и вторичного пилот-каналов на основании, по меньшей мере, одного из определенных скорости передачи данных и размера полезной нагрузки.3. The method according to claim 1, which also includes stages, which determine at least one of the data rate for the transmitted data and the size of the payload for the transmitted data on the data channel, determine the ratio of the transmit power levels of the primary and secondary pilot channels based on at least one of a determined data rate and payload size. 4. Способ по п.1, который также содержит этап, на котором поддерживают уровень мощности первичного пилот-канала независимым от, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки для передаваемых данных на канале данных.4. The method according to claim 1, which also comprises the step of maintaining the power level of the primary pilot channel independent of at least one of the data rate and payload size of the transmitted data on the data channel. 5. Способ по п.1, который также содержит этап, на котором регулируют уровень мощности вторичного пилот-канала на основании, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки канала данных.5. The method of claim 1, further comprising adjusting the power level of the secondary pilot channel based on at least one of a data rate and a payload size of the data channel. 6. Устройство для передачи данных, содержащее передатчик, способный передавать первичный пилот-канал, связанный с каналом данных, вторичный пилот-канал, связанный с каналом данных, и данные на канале данных.6. A device for transmitting data, comprising a transmitter capable of transmitting a primary pilot channel associated with a data channel, a secondary pilot channel associated with a data channel, and data on the data channel. 7. Устройство по п.6, которое также содержит контроллер для определения, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки для передаваемых данных на канале данных и для определения отношения уровней мощности передачи первичного и вторичного пилот-каналов на основании, по меньшей мере, одного из определенных скорости передачи данных и размера полезной нагрузки.7. The device according to claim 6, which also contains a controller for determining at least one of the data rate and payload size for the transmitted data on the data channel and for determining the ratio of the transmit power levels of the primary and secondary pilot channels based on, at least one of the determined data rate and payload size. 8. Устройство по п.6, которое также содержит процессор управления мощностью для поддержания уровня мощности первичного пилот-канала независимым от, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки для передаваемых данных на канале данных.8. The device according to claim 6, which also contains a power control processor for maintaining the power level of the primary pilot channel independent of at least one of the data rate and payload size for the transmitted data on the data channel. 9. Устройство по п.6, которое также содержит процессор управления мощностью для регулировки уровня мощности вторичного пилот-канала на основании, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки канала данных.9. The device according to claim 6, which also includes a power control processor for adjusting the power level of the secondary pilot channel based on at least one of a data rate and a data channel payload size. 10. Способ для системы связи, содержащий этапы, на которых определяют, по меньшей мере, одно из скорости передачи данных и размера полезной нагрузки канала данных при передаче по обратной линии связи, сравнивают, по меньшей мере, одно из определенных скорости передачи данных и размера полезной нагрузки с заранее определенным значением, определяют, необходимо ли передавать первичный пилот-канал и вторичный пилот-канал, на основании сравнения.10. A method for a communication system, comprising the steps of determining at least one of a data rate and a payload size of a data channel when transmitting on the reverse link, comparing at least one of the determined data rate and size payloads with a predetermined value, determine whether it is necessary to transmit the primary pilot channel and the secondary pilot channel, based on the comparison. 11. Способ по п.10, который также содержит этап, на котором определяют отношение уровней мощности первичного и вторичного пилот-каналов на основании, по меньшей мере, одного из определенных скорости передачи данных и размера полезной нагрузки.11. The method of claim 10, which further comprises determining a ratio of power levels of the primary and secondary pilot channels based on at least one of the determined data rate and payload size. 12. Способ по п.10, который также содержит этап, на котором поддерживают уровень мощности первичного пилот-канала независимым от, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки канала данных.12. The method of claim 10, which further comprises maintaining the power level of the primary pilot channel independent of at least one of a data rate and a payload size of a data channel. 13. Устройство для системы связи, содержащее контроллер, выполненный с возможностью определять, по меньшей мере, одно из скорости передачи данных и размера полезной нагрузки канала данных при передаче по обратной линии связи; сравнивать, по меньшей мере, одно из определенных скорости передачи данных и размера полезной нагрузки с заранее определенным значением; определять, необходимо ли передавать первичный пилот-канал и вторичный пилот-канал, на основании сравнения.13. A device for a communication system, comprising a controller configured to determine at least one of a data rate and a payload size of a data channel when transmitting on the reverse link; comparing at least one of the determined data rates and the size of the payload with a predetermined value; determine whether it is necessary to transmit the primary pilot channel and the secondary pilot channel, based on the comparison. 14. Устройство по п.13, в котором контроллер также выполнен с возможностью определять отношение уровней мощности первичного и вторичного пилот-каналов на основании, по меньшей мере, одного из определенных скорости передачи данных и размера полезной нагрузки.14. The device according to item 13, in which the controller is also configured to determine the ratio of the power levels of the primary and secondary pilot channels based on at least one of the determined data rate and size of the payload. 15. Устройство по п.13, в котором контроллер также выполнен с возможностью поддерживать уровень мощности первичного пилот-канала независимым от, по меньшей мере, одного из скорости передачи данных и размера полезной нагрузки канала данных.15. The device according to item 13, in which the controller is also configured to maintain the power level of the primary pilot channel independent of at least one of the data rate and payload size of the data channel. 16. Способ для системы связи, содержащий этапы, на которых принимают первичный пилот-канал, вторичный пилот-канал и канал данных, причем первичный и вторичный пилот-каналы связаны с каналом данных, декодируют принятый канал данных на основании информации канала, определенной из принятых первичного и вторичного пилот-каналов.16. A method for a communication system, comprising the steps of receiving a primary pilot channel, a secondary pilot channel and a data channel, the primary and secondary pilot channels associated with the data channel, decode the received data channel based on the channel information determined from the received primary and secondary pilot channels. 17. Способ по п.16, который также содержит этап, на котором используют отношение принятого сигнала к шуму на вторичном пилот-канале для процесса управления мощностью между приемным концом и передающим концом, соответственно принимающим и передающим первичный пилот-канал, вторичный пилот-канал и канал данных.17. The method according to clause 16, which also contains the stage of using the ratio of the received signal to noise on the secondary pilot channel for the power control process between the receiving end and the transmitting end, respectively, receiving and transmitting the primary pilot channel, the secondary pilot channel and data channel. 18. Способ по п.16, который также содержит этап, на котором декодируют канал указания скорости, указывающий, по меньшей мере, одно из размера полезной нагрузки и скорости передачи данных канала данных, принятый от передающего конца, передающего первичный пилот-канал, вторичный пилот-канал и канал данных, на основании, по меньшей мере, одного из принятого уровня мощности вторичного пилот-канала и отношения принятых уровней мощности первичного и вторичного пилот-каналов.18. The method according to clause 16, which also includes the stage on which decode the channel indicating the speed indicating at least one of the size of the payload and data rate of the data channel received from the transmitting end transmitting the primary pilot channel, the secondary the pilot channel and the data channel based on at least one of the received power level of the secondary pilot channel and the ratio of the received power levels of the primary and secondary pilot channels. 19. Устройство, содержащее приемник для приема первичного и вторичного пилот-каналов и канала данных, в котором первичный и вторичный пилот-каналы совместно связаны с каналом данных, декодер для декодирования данных на принятом канале данных на основании информации канала, определенной из принятых первичного и вторичного пилот-каналов.19. A device comprising a receiver for receiving primary and secondary pilot channels and a data channel in which the primary and secondary pilot channels are connected to a data channel, a decoder for decoding data on a received data channel based on channel information determined from the received primary and secondary pilot channels. 20. Устройство по п.19, которое также содержит процессор управления мощностью, выполненный с возможностью использовать отношение принятого сигнала к шуму на вторичном пилот-канале для процесса управления мощностью между приемным концом и передающим концом, соответственно принимающим и передающим первичный пилот-канал, вторичный пилот-канал и канал данных.20. The device according to claim 19, which also includes a power control processor, configured to use the ratio of the received signal to noise on the secondary pilot channel for the power control process between the receiving end and the transmitting end, respectively, receiving and transmitting the primary pilot channel, secondary pilot channel and data channel. 21. Устройство по п.19, в котором декодер также выполнен с возможностью декодировать канал указания скорости, указывающий, по меньшей мере, одно из размера полезной нагрузки и скорости передачи данных канала данных, принятый от передающего конца, передающего первичный пилот-канал, вторичный пилот-канал и канал данных, на основании, по меньшей мере, одного из принятого уровня мощности вторичного пилот-канала и отношения принятых уровней мощности первичного и вторичного пилот-каналов.21. The device according to claim 19, in which the decoder is also configured to decode a speed indication channel indicating at least one of a payload size and a data channel data rate received from a transmitting end transmitting a primary pilot channel, a secondary the pilot channel and the data channel based on at least one of the received power level of the secondary pilot channel and the ratio of the received power levels of the primary and secondary pilot channels.
RU2005141433/09A 2003-06-03 2004-05-28 Method and device of data transfer in communication system RU2364028C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/454,038 2003-06-03
US10/454,038 US8559406B2 (en) 2003-06-03 2003-06-03 Method and apparatus for communications of data in a communication system

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RU2005141433A true RU2005141433A (en) 2006-06-10
RU2364028C2 RU2364028C2 (en) 2009-08-10

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US (3) US8559406B2 (en)
EP (3) EP1826918B1 (en)
JP (4) JP2006526962A (en)
KR (1) KR101106819B1 (en)
CN (2) CN1823479A (en)
AT (1) ATE462283T1 (en)
AU (1) AU2004247204C1 (en)
BR (1) BRPI0410895A (en)
CA (2) CA2800031C (en)
DE (1) DE602004026178D1 (en)
ES (1) ES2341774T3 (en)
IL (1) IL172263A0 (en)
MX (1) MXPA05013099A (en)
NO (1) NO20060009L (en)
NZ (2) NZ571149A (en)
PL (1) PL1629609T3 (en)
RU (1) RU2364028C2 (en)
TW (1) TWI369146B (en)
UA (1) UA92133C2 (en)
WO (1) WO2004112278A2 (en)

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